Earthquake with magnitude of ML 1.2 on date 09-12-2019 and time 16:19:28 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km E Norcia (PG), on

  • 09-12-2019 15:19:28 (UTC)
  • 09-12-2019 16:19:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.1140 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 2 4957 4957
Cascia PG 11 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Accumoli RI 15 667 9846
Arquata del Tronto AP 15 1178 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 16 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 18 444 13767
Sellano PG 19 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 19 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km W of Chieti (51815 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.2 2019-12-09
15:19:28
42.7882 13.1138 11 2020-02-28
16:42:25
Bollettino Sismico Italiano INGV 76485661
Reviewed
Rev100
ML 1.2 2019-12-09
15:19:28
42.7872 13.1123 11 2019-12-09
15:23:42
Sala Sismica INGV-Roma 74487221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-09 15:19:28 ± 0.04
Latitude 42.7882 ± 0.0018
Longitude 13.1138 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76485661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76485661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 11:23:47

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 74487221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-09 15:23:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-12-09T15:19:40.53 0.3 undecidable manual S 12 34.5432 50 0.08 72
IV.CESI.HHZ. 2019-12-09T15:19:39.07 0.3 undecidable manual S 325 29.4483 50 -0.04 73
IV.SMA1.EHZ. 2019-12-09T15:19:38.03 0.3 undecidable manual S 134 25.1526 50 0.08 73
IV.FDMO.HHZ. 2019-12-09T15:19:38.43 0.3 undecidable manual S 356 27.6501 50 -0.19 71
IV.MTRA.EHZ. 2019-12-09T15:19:37.27 0.3 undecidable manual S 99 23.2545 50 -0.19 72
IV.MMO1.EHN. 2019-12-09T15:19:36.71 0.6 undecidable manual S 54 21.2676 116 -0.15 48
IV.LNSS.HHZ. 2019-12-09T15:19:36.89 0.1 undecidable manual S 196 21.3675 116 -0.02 99
IV.CSP1.EHZ. 2019-12-09T15:19:35.52 0.3 undecidable manual P 12 34.5432 50 0.06 72
IV.MC2.EHZ. 2019-12-09T15:19:35.20 0.3 undecidable manual S 24 14.9739 125 0.22 72
IV.CESI.HHZ. 2019-12-09T15:19:34.68 0.3 undecidable manual P 325 29.4483 50 -0.01 74
IV.SMA1.EHZ. 2019-12-09T15:19:34.18 0.3 undecidable manual P 134 25.1526 50 0.16 72
IV.FDMO.HHZ. 2019-12-09T15:19:34.43 0.3 undecidable manual P 356 27.6501 50 0.02 74
IV.LNSS.HHZ. 2019-12-09T15:19:33.40 0.1 undecidable manual P 196 21.3675 116 -0.02 99
IV.MTRA.EHZ. 2019-12-09T15:19:33.62 0.3 undecidable manual P 99 23.2545 50 -0.11 73
IV.MMO1.EHN. 2019-12-09T15:19:33.35 0.1 undecidable manual P 54 21.2676 116 -0.04 99
IV.NRCA.HHZ. 2019-12-09T15:19:32.36 0.1 undecidable manual S 0 5.0949 154 -0.31 96
IV.MC2.EHZ. 2019-12-09T15:19:32.55 0.1 undecidable manual P 24 14.9739 125 0.25 96
IV.NRCA.HHZ. 2019-12-09T15:19:31.09 0.1 undecidable manual P 0 5.0949 154 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.7 0.0008115 0.2 AML other m 2019-12-09T15:19:32.54
IV.NRCA.HHN. ML:1.4 0.0003765 0.08 AML other m 2019-12-09T15:19:33.41
IV.LNSS.HHE. ML:1.2 0.0001085 0.72 AML other m 2019-12-09T15:19:37.70
IV.LNSS.HHN. ML:1.3 0.00012325 0.74 AML other m 2019-12-09T15:19:37.61
IV.SMA1.EHE. ML:1.0 0.00005965 0.58 AML other m 2019-12-09T15:19:39.67
IV.SMA1.EHN. ML:1.0 0.0000546 1.5 AML other m 2019-12-09T15:19:42.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download